Home / 4.01-6-2.57

Finding the Fourth Proportional to 4.01, 6 and 2.57

Calculator

Solution

The fourth proportional to 4.01, 6 and 2.57 is: 3.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.01 : 6 = 2.57 : x
  2. Step 2: Convert to fraction form
    4.01/6 = 2.57/x
  3. Step 3: Cross multiply
    4.01x = 6 × 2.57
  4. Step 4: Simplify right side
    4.01x = 15.39
  5. Step 5: Solve for x
    x = 15.39/4.01
  6. Step 6: Final answer
    x = 3.84

Related Problems

Find fourth proportional to 2.00, 3 and 1.28
Half scale
Find fourth proportional to 8.01, 12 and 5.13
Double scale
Find fourth proportional to 5.01, 7.50 and 3.57
Similar ratio
Find fourth proportional to 6.01, 9 and 3.85
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.